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Arusha draws a rectangular prism that is made up of two connected cubes, each with side length e. The surface area of a certain rectangular prism with edge length is represented by the formula SA= [tex]10e ^{2} [/tex], and the volume of the prism is represented by the formula V= [tex]2e ^{3} [/tex].

Part A- What is the surface area of the prism if its edge length is 5 cm? Show work

Part B- Arusha plans to build the prism and partially fill it with 150 cubic centimeters of sand. What fraction of the prism's volume will be filled by the sand? Show Work.